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AWWA C203 Document Information:
Title
Coal-Tar Protective Coatings and Linings for Steel Water Pipelines - Enamel and Tape - Hot Applied
American Water Works Association
Publication Date:
Jan 20, 2002
Scope:
This standard provides the requirements for coal-tar protective exterior
coatings and interior linings used in the potable water supply industry
for buried steel water pipelines.
Sections 4.3 through 4.5 and Sec. 4.8 cover the requirements for
hot-applied, coal-tar enamel and its exterior and interior application
to pipe, special sections, connections, fittings, and field procedures.
Section 4.6 covers the requirements for hot-applied, coal-tar base tapes
for application to special sections, connections, and fittings. Section
4.7 presents alternative coal-tar coating systems, wraps, and procedures
for external coating systems that provide additional coating protection
for use in severe trench locations.
All AWWA steel pipe coating standards are written for and based on the
service temperature of potable water. For operating temperatures higher
than the normal temperature of potable water, consult the manufacturer
for recommendations concerning temperature limitations for coal-tar
protective coatings and linings.
Storage conditions. Because aboveground and environmental conditions
vary, the purchaser should consult the manufacturer as to type of
coating that is recommended for the specific anticipated storage
conditions, including the necessity for ultraviolet-light protection.
Government regulations. The purchaser (or the constructor) shall
determine that no portion of this standard is in conflict with any
existing government regulations.
Safety and environmental considerations. The components of the coating
system may contain skin irritants and may be flammable. Precautions
should be taken to protect against these hazards and to comply with the
manufacturer's recommendations concerning the use and handling of the
components.
Purpose
The purpose of this standard is to provide the requirements for coal-tar
protective coatings and linings for steel water pipelines - enamel and
tape - hot applied, including materials, application, verification, and
delivery.
Application
This standard can be referenced in specifications for hot-applied
coal-tar protective coatings and linings of steel water pipelines. The
stipulations of this standard apply when this document has been
referenced and then only to protective coatings and linings of steel
water pipelines with hot-applied coal-tar enamel systems and to
hot-applied coal-tar tape on the exterior of special sections,
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